package com.mohan.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.EmbeddedValueResolverAware;
import org.springframework.stereotype.Component;
import org.springframework.util.StringValueResolver;

import java.util.Map;

@Component
public class SpringHelper implements ApplicationContextAware, EmbeddedValueResolverAware {

    private static ApplicationContext applicationContext;

    private static StringValueResolver stringValueResolver;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }

    @Override
    public void setEmbeddedValueResolver(StringValueResolver resolver) {
        this.stringValueResolver = resolver;
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

    public static <T> Map<String,T> getBeans(Class<T> clazz) {
        return getApplicationContext().getBeansOfType(clazz);
    }

    public static <T> T getBean(String name,Class<T> clazz) {
        return getApplicationContext().getBean(name,clazz);
    }

    public static String getPropertiesValue(String name) {
        return stringValueResolver.resolveStringValue(name);
    }
}
